Question about 2007 HM CRE F490X I

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Will not run probably carb problem

I'm at my wits end with this bike now! Laughing The bike had sat for a quite a few months during the winter season. I intended to ride it

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But somehow never managed to. So now I am trying to sell the thing and I can't get it to run. It ran like a champ before it sat. If it sits for a while it will run for 30 seconds or so and then sputter and die. Then it won't start for a while but turns over strong. I figure it has to be a fuel issue. I put some fuel stabilizer and cleaner into the tank; no dice. I pulled the tank, drained it, put new fuel in it, pulled the carb, sprayed it out good, put it all back together and...still the same. Not sure I have the tools/skill to completely disassemble the carb and soak it. Confused Any ideas of where to go from here? This thing isn't worth much to begin with and probably not worth anything if not running! I can't spend the money on a mechanic to fix it because that would pretty much defeat the purpose of selling it! ,have you checked the air filter? another problem might be a clogged tank vent. try running the bike with the gas cap open and see if that works.,,,

Posted on Nov 10, 2008

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1 Answer

Backfire intake


dean ,carb cleaner can be used to clean the carb parts on a re build and thats all .if the bike sat over winter (with fuel in the tank ?) how does it smell ? if its bad it will smell like turpentine .and needs to be changed ,theirs a lot of questions here . was the batt in good shape from the winter ,(good charge 12.6 ?) was your choke on when you dumped the cleaner in tryin to start ?

Apr 15, 2014 | 2006 Harley Davidson FLSTF Fat Boy

1 Answer

My bike sat for about 2 months and now when started it runs horible like it is chokeing out. carbs???


Run some SEAFOAM gas treatment through the gas tank may take a few tanks to clean out the carbs or fuel injectors

Oct 03, 2012 | 2001 Honda VT 1100 C2 Shadow Sabre

1 Answer

My vstar 100 has run great for me since I bought new in 2005. nThe first couple winters the bike sat for 2 months and the techs at the shop told me that the gas (Even though I had out stabilizer in it) was...


The trick is to get out there and fire it up every week and run it for several minutes. Short of doing that - turn the fuel off and run the carbs out of gas before storing. Drain the old fuel out in the spring and refill with fresh fuel. You can add some fuel system cleaner/drier to the fresh fuel. Personally - I simply run the bike every week and add some fuel drier - like STP fuel treatment during winter months. I have never been a fan of the fuel stabilizers - unless you are talking about a huge volume of fuel, like on a boat. Running the bike every week keeps the battery charged, too.

Jul 05, 2011 | Yamaha V Star Custom Motorcycles

1 Answer

Bike started sputtering espeacially when cold after sitting thru the winter Would like to know how to change the fuel filter to see if thats the problem


Most likely the problem is not the fuel filter. Since the bike sat through the winter, it is probably fuel gummed ports/jets. This is happening more often especially with the ethanol blend of fuel. In the last few weeks, as riders bring their bikes out of winter storage, there has ben many with the same problem as yours. I recommend pouring at least 1/2 can of SeaFoam in the tank, lock down the front brake and rock the bike back and forth to mix the additive. Once it is mixed, crank the engine and run at high idle for a couple minutes. Let it set for an hour or so to give the SeaFoam time to work. Crank the bike, and ride normally. It should clear up. If it doesn't clear up in an hour or two, you may have water in the carb bowl that will have to be drained.

Apr 23, 2011 | 2005 Harley Davidson FLHR - FLHRI Road...

1 Answer

Bike is back firing and bogging down when I get on the throttle. Need to know how to adjust carb.


Before adjusting the carb, has the bike been setting for a long period of time? Has anything been done to the bike that would change carb settings? If it's been setting, there is probably a gum build-up in the jets and fuel passages. If it sat all winter, my solution is to add 1/2 can of SeaFoam to the gas, lock down the front brake and rock the bike back and forth mixing the fuel and additive well. Start the bike and run at a high idle until engine temp is normal. Shut it down and let set for an hour or two, allowing the mixture to work in the carbs. Restart and run at high idle again. If it seems to clear up somewhat, ride the bike several miles to check if it worked.

Apr 15, 2011 | 1999 kawasaki VN 1500 Vulcan Classic

1 Answer

My bike seems to bog im not sure if its the gas or a stretched throttle cable but it sat for awhile and i took it into getting everthing fixed it runs great just feels sluggish threw my throttle


If the bike sat for quite a while, and you didn't drain the tank and carbs, your gas probably gummed up the carbs, jets, needles, etc. If you had them cleaned... this wouldn't be the problem although it could still be a fuel problem. Have you checked the fuel filter? I have found that using a gas stabilizer when the bike is not in use, keeps this from happening.

Before I ever take my bike into the shop, after winter sitting, I always run a mixture of Sea Foam (get it at Wal-Mart) with a full tank of gas for the 1st run of the season. This will take care of most fuel issues.

Hope this helps!

Jan 08, 2011 | 1975 Yamaha RD 250

2 Answers

I bought this bike this winter, it had sat for 3


Your lower rpms are controled by the mixture screw, pilot jet, accelerator pump and the slide needle. So your problem is probably in one of these-though racing 4 strokes are known to have a little stumble at the bottom, but not what you're describing. I'll have to assume the shop has the pilot jet clean and the mixture screw adjusted properly.(roughly 1.5 turns out)

First, check your accelerator pump. Remove the carb enough to be able to look inside the throat, but leave the cables hooked up. Work the throttle a few times and make sure that there is a small squirt of fuel in the throat of the carb each time you twist the throttle. If not, your accelerator pump is clogged or damaged.

If everything is fine there, the next likely problem is the needle adjustment. It's mounted in the slide. Once you remove the needle, you'll see a small clip around it. Try moving this clip up one notch. This will lower the needle and slightly delay the fuel feed from the main. If this fuel comes in too soon, it will cause a way rich condition and cause a bog off idle.

Outside of carb issues, valve adjustment(too tight) can make for a rough idle and hard starting.

Jun 10, 2010 | 2001 KTM Exc-Racing E 400

2 Answers

Bike is sputtering when give it gas. sat for 2


Make sure battery is full,not just charged. if the sputter is still there you may need to clean air filter,fuel fillter or carbs may need to have trash removed from inside at the fuel float valve-seat and jet.

Apr 29, 2010 | 2004 Honda VTX 1300

1 Answer

Yamaha TW 200 starts but won't run.


If the bike has sat for a long period of time without being run - the gas that is sitting in the carb(s) will shellac.. Then the carb(s) would need to be cleaned and "rebuilt"..

Sep 14, 2009 | 2001 Yamaha TW 200

1 Answer

Starting problem


but somehow never managed to. So now I am trying to sell the thing and I can't get it to run. It ran like a champ before it sat. If it sits for a while it will run for 30 seconds or so and then sputter and die. Then it won't start for a while but turns over strong. I figure it has to be a fuel issue. I put some fuel stabilizer and cleaner into the tank; no dice. I pulled the tank, drained it, put new fuel in it, pulled the carb, sprayed it out good, put it all back together and...still the same. Not sure I have the tools/skill to completely disassemble the carb and soak it. Confused Any ideas of where to go from here? This thing isn't worth much to begin with and probably not worth anything if not running! I can't spend the money on a mechanic to fix it because that would pretty much defeat the purpose of selling it! ,Sounds like it's taking a while to refill the carb bowls. I'm guessing before the carbs. Try pulling the gas line and aiming it into a gas-can or bucket to see how fast it comes out. If it's slow it could be in the petcock, clogged fuel filter or tank vent. If the petcock has a prime position try that, open the gas cap, replace or try quick without the filter. If the fuel flows freely from the line the it's probably something in the carbs. Could be air, spark or compression too. Does it smell like gas(running very rich)? I'm just guessing from what I've tried to fix my bike, it's finally running great after fixing half of the above.,,,

Nov 10, 2008 | 2001 Laverda Lynx 650

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